dm: treewide: Rename ofdata_to_platdata() to of_to_plat()

This name is far too long. Rename it to remove the 'data' bits. This makes
it consistent with the platdata->plat rename.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pci/pci-rcar-gen3.c b/drivers/pci/pci-rcar-gen3.c
index 9ef6314..0d5b01f 100644
--- a/drivers/pci/pci-rcar-gen3.c
+++ b/drivers/pci/pci-rcar-gen3.c
@@ -372,7 +372,7 @@
 	return 0;
 }
 
-static int rcar_gen3_pcie_ofdata_to_platdata(struct udevice *dev)
+static int rcar_gen3_pcie_of_to_plat(struct udevice *dev)
 {
 	struct rcar_gen3_pcie_priv *priv = dev_get_plat(dev);
 
@@ -399,6 +399,6 @@
 	.of_match		= rcar_gen3_pcie_ids,
 	.ops			= &rcar_gen3_pcie_ops,
 	.probe			= rcar_gen3_pcie_probe,
-	.ofdata_to_platdata	= rcar_gen3_pcie_ofdata_to_platdata,
+	.of_to_plat	= rcar_gen3_pcie_of_to_plat,
 	.plat_auto	= sizeof(struct rcar_gen3_pcie_priv),
 };